Finding the Fourth Proportional to 9,558,159.84, 13,190,206.32 and 5,207,237.28
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Solution
The fourth proportional to 9,558,159.84, 13,190,206.32 and 5,207,237.28 is: 7,185,957.89
Step by Step Solution
- Step 1: Write the proportion equation
9,558,159.84 : 13,190,206.32 = 5,207,237.28 : x - Step 2: Convert to fraction form
9,558,159.84/13,190,206.32 = 5,207,237.28/x - Step 3: Cross multiply
9,558,159.84x = 13,190,206.32 × 5,207,237.28 - Step 4: Simplify right side
9,558,159.84x = 68,684,534,080,395.62 - Step 5: Solve for x
x = 68,684,534,080,395.62/9,558,159.84 - Step 6: Final answer
x = 7,185,957.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.